CN100567797C - Illuminator - Google Patents
Illuminator Download PDFInfo
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- CN100567797C CN100567797C CNB2006100060703A CN200610006070A CN100567797C CN 100567797 C CN100567797 C CN 100567797C CN B2006100060703 A CNB2006100060703 A CN B2006100060703A CN 200610006070 A CN200610006070 A CN 200610006070A CN 100567797 C CN100567797 C CN 100567797C
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- light
- illuminator
- lampshade
- reflecting element
- wick
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Abstract
A kind of illuminator that is suitable for providing parallel illuminating bundle.Illuminator comprises two first light fixtures, and each first light fixture comprises first lampshade, first wick and first reflecting element.First lampshade has first and goes out optical cross-section, and first reflecting element is connected with first lampshade, and shaded portions first goes out optical cross-section.First wick is suitable for providing first diverging light, and first lampshade and first reflecting element are suitable for making first diverging light to form first collimated light beam, and first collimated light beam goes out optical cross-section output from the part first of crested not.This illuminator also comprises at least one second reflecting element that is configured between described two light fixtures, it is placed between two light fixtures and is positioned to the light path of small part first collimated light beam, so that first collimated light beam that each first light fixture is provided is merged into parallel illuminating bundle.Because the part ultraviolet light in employing reflecting element and/or the shading element absorption lampshade and the energy of infrared light can reduce wick because of overheated and impaired probability.
Description
Technical field
The present invention relates to a kind of illuminator, relate in particular to a kind of illuminator with many lamps.
Background technology
Please refer to Fig. 1, existing double-lamp illuminating system 100 comprises first light fixture 110, second light fixture 120, reflector 130.Wherein, first light fixture 110 is relative with second light fixture 120, and reflector 130 is configured between first light fixture 110 and second light fixture 120.Reflector 130 has two reflectings surface 132,134, and the angle between itself and the axis 50 is respectively 45 degree.
As mentioned above, first and second light fixture 110,120 comprises wick 112,122 and parabolic lampshade 114,124 respectively.Wick 112,122 is suitable for providing diverging light, and they are positioned on the same axis 50, and parabolic lampshade 114,124 usefulness are so that diverging light forms collimated light beam 112a, 122a, and the optical axis of this two collimated light beam 112a, 122a parallels to the axis 50.In addition, partial parallel light beam 112a, 122a form synthetic light beam 140 via reflecting surface 132,134 reflections of reflector 130.Another part collimated light beam 112a, 122a that the device 130 that is not reflected reflects reflex to reflector 130 via parabolic lampshade 124,114, form synthetic light beam 140 by reflecting surface 134,132 reflections again.
In described double-lamp illuminating system 100, because collimated light beam 112a, the 122a respectively direct irradiation second and first light fixture 120,110, and pass through wick 112,122 repeatedly, so cause wick 112,122 overheated and damage easily.In addition, can disperse gradually by parabolic lampshade 114,124 formed collimated light beam 112a, 122a, and longer because of the light path of collimated light beam 112a, 122a, make that beam dump efficient is relatively poor, therefore also reduced the intensity of the illuminating bundle that double-lamp illuminating system 100 provided.In addition, this double-lamp illuminating system 100 utilizes first light fixture 110 and second light fixture 120 to be oppositely arranged, and reflector 130 is set between first light fixture 110 and second light fixture 120 synthesizes light beam, so need bigger space to dispose this framework, cause the volume of projection arrangement comparatively huge, under short, little, light, the thin trend of electronic product pursuit now, the double-lamp illuminating system 100 of this kind framework obviously can not satisfy design requirement now.
Summary of the invention
The purpose of this invention is to provide a kind of illuminator that can reduce the probability that light fixture breaks down.
Another object of the present invention provides a kind of illuminator that the higher parallel illuminating bundle of intensity is provided.
Illuminator of the present invention is suitable for providing parallel illuminating bundle.This illuminator comprises two first light fixtures, and each first light fixture comprises one first lampshade, one first wick and one first reflecting element.Wherein, first lampshade has one first and goes out optical cross-section, and first reflecting element is connected with first lampshade, and shaded portions first goes out optical cross-section.First wick is suitable for providing first diverging light, and first lampshade and first reflecting element are suitable for making first diverging light to form first collimated light beam, and the part first of first collimated light beam crested never goes out optical cross-section output.In addition, this illuminator also comprises at least one second reflecting element, and it is configured between described two light fixtures, and is positioned to the light path of small part first collimated light beam, so that first collimated light beam that each first light fixture is provided is merged into parallel illuminating bundle.Illuminator for example also comprises at least one second light fixture and at least one the 3rd reflecting element.Wherein, second light fixture is disposed between one of described first light fixture and second reflecting element at least.Described second light fixture comprises one second lampshade and one second wick, and second lampshade has one second and goes out optical cross-section, and second wick is configured in second lampshade.Second wick is suitable for providing second diverging light, and second lampshade is suitable for making second diverging light to form second collimated light beam.In addition, before the 3rd reflecting element is configured in second of second lampshade and goes out optical cross-section, and part second collimated light beam reflexes in one of first lampshade by the 3rd reflecting element, and another part second collimated light beam is passed to second reflecting element.In addition, part first collimated light beam reflexes to second reflecting element by the 3rd reflecting element and second lampshade.
The present invention also provides a kind of illuminator that is suitable for providing parallel illuminating bundle.This illuminator comprises two light fixtures and is disposed at a reflecting element between this two light fixture.Wherein, each light fixture comprises a lampshade, a wick and a shading element.Lampshade has one and goes out optical cross-section, and wick is configured in the lampshade, and shading element covered section wick.Wick is suitable for providing diverging light, and lampshade is suitable for making diverging light to form collimated light beam, and collimated light beam goes out optical cross-section output from part.In addition, reflecting element be positioned at a light fixture wherein go out optical cross-section before so that the collimated light beam that each light fixture provided is merged into parallel illuminating bundle.
The present invention is because of the part ultraviolet light in employing reflecting element and/or the shading element absorption lampshade and the energy of infrared light, so can reduce wick because of overheated and impaired probability.In addition,, be difficult for dispersing, therefore can improve the collection efficiency of light beam, thereby can increase the intensity of the parallel illuminating bundle that illuminator provides because the light path of light beam is shorter.
Description of drawings
For above and other objects of the present invention, feature and advantage can be become apparent, preferred implementation cited below particularly also is elaborated in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of existing double-lamp illuminating system;
Fig. 2 is the structural representation of the illuminator of first embodiment of the invention;
Fig. 3 is the structural representation of another illuminator of first embodiment of the invention;
Fig. 4 A and Fig. 4 B are the structural representation of two illuminators of first embodiment of the invention;
Fig. 5 is the structural representation of an illuminator again of first embodiment of the invention;
Fig. 6 is the structural representation of the illuminator of second embodiment of the invention.
Description of reference numerals
50 axis
100 double-lamp illuminating systems
110,210a, 210b first light fixture
112,122,214 ' wick
112a, 122a, 218 ' collimated light beam
114,124 parabolic lampshades
120,250,250 ' second light fixture
130 reflectors
132,134 reflectings surface
140 synthetic light beams
200,200 ', 200a, 200a ', 200b, 200c illuminator
210c, 210d light fixture
212 first lampshades
212 ' lampshade
212a first goes out optical cross-section
212a ' goes out optical cross-section
214 first wicks
214 ' wick
216 first reflecting elements
217 shading elements
218 first collimated light beams
220,220 ' the parallel illuminating bundle
230 light collecting elements
232 lens
234 optical integration pillars
240 second reflecting elements
240 ' reflecting element
252 second lampshades
252a second goes out optical cross-section
254 second wicks
256 second collimated light beams
260,260 ' the 3rd reflecting element
The specific embodiment
First embodiment
Please refer to Fig. 2, the illuminator 200 of present embodiment comprises two first light fixture 210a and 210b and one second reflecting element 240, wherein, second reflecting element 240 is configured between the first light fixture 210a and the 210b, and each the first light fixture 210a, 210b comprise that first lampshade 212, first wick 214 and 216, two first light fixture 210a of first reflecting element are configured to make its axis vertical mutually with first wick 214 of 210b.First lampshade 212 has first and goes out optical cross-section 212a, and first reflecting element 216 is connected with first lampshade 212, and shaded portions first goes out optical cross-section 212a.First wick 214 is suitable for providing first diverging light, and first lampshade 212 and first reflecting element 216 are suitable for making first diverging light to form first collimated light beam 218, and first collimated light beam 218 is from first not gone out optical cross-section 212a output by what first reflecting element 216 covered.In addition, second reflecting element 240 be configured in one of them first light fixture (as the first light fixture 210a) go out optical cross-section 212a before, reflecting first collimated light beam 218 that the first light fixture 210a is provided, and make it be merged into parallel illuminating bundle 220 with first collimated light beam 218 that another first light fixture 210b is provided.
First reflecting element 216 for example covers half first and goes out optical cross-section 212a.These first reflecting elements 216 for example are cold mirror (Cold Mirror), and it can eliminate the ultraviolet light in the part diverging light and the energy of infrared light, to reduce the temperature in first lampshade 212.So, can reduce by first wick 214 because of the overheated probability that is decreased.In addition, in the present embodiment, light collecting element 230 can be set, on the light path of parallel illuminating bundle 220 so that parallel illuminating bundle 220 becomes the focus illumination light beam.Light collecting element 230 for example is lens 232, optical integration pillar 234 or above-mentioned combination.
Second reflecting element 240 for example is the face mirror, and the face mirror can be cold mirror, and it can be used to eliminate the ultraviolet light in first collimated light beam 218 and the energy of infrared light, to reduce the temperature of whole illuminator 200.In addition, second reflecting element 240 can be dichronic mirror (dichroic mirror), and it can be used to adjust the colour temperature of first collimated light beam 218.In addition, can also prism (Prism) as second reflecting element 240.
Because the arrangement of the first light fixture 210a and 210b is comparatively tight, makes that the framework of whole illuminator 200 is less, thus use the volume of the projection arrangement of this illuminator 200 to dwindle, to satisfy short, little, light, the thin trend of electronic product pursuit now.In addition,, make the light path of the collimated light beam 218 of winning shorter, be difficult for dispersing, therefore can improve the collection efficiency of first collimated light beam 218, to form the higher parallel illuminating bundle 220 of intensity because the framework of whole illuminator 200 is less.
Please refer to Fig. 2 and Fig. 3, the illuminator 200 ' of present embodiment is similar to described illuminator 200, difference is in illuminator 200 and only has one second reflecting element 240, and illuminator 200 ' has two second reflecting elements 240, and the axis of first wick 214 of the first light fixture 210a, 210b is positioned on the same axis.In more detail, these two second reflecting elements 240 are configured between the first light fixture 210a and the 210b, and lay respectively at before first of the first light fixture 210a and 210b go out optical cross-section 212a.Second reflecting element 240 is suitable for reflecting first collimated light beam 218 that first light fixture 210a and the 210b provided, and the first light fixture 210a can be merged into parallel illuminating bundle 220 with first collimated light beam 218 that 210b is provided after through the reflection of second reflecting element 240.
Because first collimated light beam 218 that first light fixture 210a and the 210b provided all can be by 240 reflections of second reflecting element, therefore second reflecting element 240 can adopt cold mirror with the ultraviolet light of each first collimated light beam 218 of elimination and the energy of infrared light, so that the temperature of illuminator 200 ' is lower, or adopt the colour temperature of dichronic mirror with first collimated light beam 218 adjusting first light fixture 210a, the 210b and provided.
Please refer to Fig. 4 A and Fig. 4 B, compare with illuminator 200 (as shown in Figure 2) and 200 ' (as shown in Figure 3) respectively, the illuminator 200a of present embodiment, 200a ' also comprise second light fixture 250 and the 3rd reflecting element 260 respectively.Wherein, second light fixture 250 is configured in wherein between one first light fixture (as the first light fixture 210a) and second reflecting element 240.This second light fixture 250 comprises that second lampshade 252 and second wick, 254, the second lampshades 252 have second and go out optical cross-section 252a, and second wick 254 is configured in second lampshade 252.Second wick 254 is suitable for providing second diverging light, and second lampshade 254 is suitable for making second diverging light to form second collimated light beam 256.In addition, before the 3rd reflecting element 260 is configured in second of second lampshade 256 and goes out optical cross-section 252a.
In the present embodiment, part second collimated light beam 256 is passed to second reflecting element 240, and another part second collimated light beam 256 reflexes among the first light fixture 210a by the 3rd reflecting element 260, and reflects by first lampshade 212 and first reflecting element 216 of the first light fixture 210a again.In addition, first collimated light beam 218 that provided of the first light fixture 210a reflexes to second reflecting element 240 with part second collimated light beam 256 that is reflected once again by first lampshade 212 of the first light fixture 210a and first reflecting element 216 by the 3rd reflecting element 260 and second lampshade 252.Afterwards, second reflecting element 240 is these second collimated light beams 256 and the reflection of first collimated light beam 218, to be merged into parallel illuminating bundle 220 with first collimated light beam 218 that the first light fixture 210b is provided.
Because illuminator 200a, 200a ' have three light fixtures (i.e. two first light fixture 210a, 210b and one second light fixture 250), so the intensity of the parallel illuminating bundle 220 that provided of illuminator 200a, 200a ' is higher.
Please refer to Fig. 5, the illuminator 200b of present embodiment is similar to the illuminator 200a ' shown in Fig. 4 B, and difference is in illuminator 200b and also comprises another second light fixture 250 ' and another the 3rd reflecting element 260 '.Wherein, second light fixture 250 ' is configured in the first light fixture 210b and between second reflecting element 240 below Fig. 4 B, and the 3rd reflecting element 260 ' then is disposed at before second of second light fixture 250 ' goes out optical cross-section 252a.In illuminator 200b, because first collimated light beam 218 that first collimated light beam 218 that the first light fixture 210b and second light fixture 250 ' are provided and the bang path of second collimated light beam 256 and the above-mentioned first light fixture 210a and second light fixture 250 are provided and the bang path of second collimated light beam 256 are similar, will no longer repeat at this.
Because the illuminator 200b ' of present embodiment has four light fixtures (i.e. two first light fixture 210a, 210b and two second light fixtures 250,250 '), so can further improve the intensity of parallel illuminating bundle 220.
Second embodiment
Please refer to Fig. 6, the illuminator 200c of present embodiment is similar to the illuminator 200 of first embodiment, therefore will represent components identical with identical Reference numeral in Fig. 6.The illuminator 200c of present embodiment comprises two light fixture 210c, 210d and is disposed at a reflecting element 240 ' between this two light fixture 210c, the 210d.Wherein, each light fixture 210c, 210d comprise lampshade 212 ', wick 214 ' and shading element 217.Lampshade 212 ' has the optical cross-section of going out 212a ', and wick 214 ' is configured in the lampshade 212 ', and shading element 217 covered section wicks 214 '.Wick 214 ' is suitable for providing diverging light, and lampshade 212 ' is suitable for making diverging light to form collimated light beam 218 ', and collimated light beam 218 ' goes out optical cross-section 212a ' output from part.In addition, reflecting element 240 ' be positioned at a light fixture (as light fixture 210c) wherein to go out optical cross-section 212a ' preceding, and be positioned on the light path of the collimated light beam 218 ' that the first light fixture 210c provided.The collimated light beam 218 ' that the first light fixture 210c is provided is reflected and will be merged into parallel illuminating bundle 220 ' with the collimated light beam 218 ' that the first light fixture 210d is provided after element 240 ' reflects.Shading element 217 for example is a coating, and the material of this coating for example is the material that can absorb ultraviolet light and infrared energy, to prevent that wick 214 is overheated and be damaged.In addition, in the present embodiment, light collecting element 230 can be set on the light path of parallel illuminating bundle 220 ', be the focus illumination light beam so that parallel illuminating bundle 220 ' is assembled.Light collecting element 230 for example is lens 232, optical integration pillar 234 or above-mentioned combination.The advantage of the illuminator 200c of present embodiment is similar to the advantage of the illuminator 200 (as shown in Figure 2) of first embodiment, no longer repeats at this.
In sum, illuminator of the present invention has the following advantages at least.
1. the present invention is because of adopting part ultraviolet light and the infrared light in reflecting element and/or the shading element elimination lampshade, so can reduce wick because of overheated and impaired probability.
2. because the framework of illuminator is less, make that the light path of light beam is shorter, be difficult for dispersing, therefore can improve the collection efficiency of light beam, to increase the intensity of the parallel illuminating bundle that illuminator was provided.And the framework of illuminator is less, and the overall volume of projection arrangement is dwindled.
3. the quantity of the visual increase in demand light fixture of illuminator of the present invention is to improve the intensity of parallel illuminating bundle.
Though describe the present invention by preferred implementation above; but this is not to be limitation of the present invention; any those skilled in the art are under the prerequisite that does not exceed design of the present invention and scope; can make many conversion and retouching, so protection scope of the present invention should be as the criterion with claims scope required for protection.
Claims (13)
1. illuminator that is suitable for providing parallel illuminating bundle, this illuminator comprises two first light fixtures, each described first light fixture comprises:
One first lampshade, it has one first and goes out optical cross-section;
One first wick, it is configured in described first lampshade, and this first wick is suitable for providing first diverging light;
One first reflecting element, it is connected with described first lampshade, and shaded portions described first goes out optical cross-section, described first lampshade and described first reflecting element are suitable for making described first diverging light to form first collimated light beam, and this first collimated light beam is from described first not gone out optical cross-section output by what described first reflecting element covered; And
At least one second reflecting element, it is configured between described first light fixture, and is positioned on the light path of described first collimated light beam of at least a portion, so that described first collimated light beam is merged into described parallel illuminating bundle,
It is characterized in that this illuminator also comprises at least one second light fixture, it is configured between one of described first light fixture and described second reflecting element at least, and this second light fixture comprises:
One second lampshade, it has one second and goes out optical cross-section;
One second wick, it is configured in described second lampshade, and this second wick is suitable for providing second diverging light, and described second lampshade is suitable for making described second diverging light to form second collimated light beam; And
At least one the 3rd reflecting element, before it is configured in described second of one of described second lampshade respectively and goes out optical cross-section, wherein described second collimated light beam of part reflexes in one of described first lampshade by described the 3rd reflecting element, described second collimated light beam of another part is passed to described second reflecting element, and described first collimated light beam of part reflexes to described second reflecting element by described the 3rd reflecting element and described second lampshade.
2. illuminator as claimed in claim 1, wherein, it is vertical mutually that first wick of described first light fixture is arranged to its axis.
3. illuminator as claimed in claim 1 wherein, is arranged to its axis with first wick of described first light fixture and is positioned on the same axis, and described second reflecting element is set at respectively before described first of one of described first light fixture goes out optical cross-section.
4. illuminator as claimed in claim 1, wherein, described second reflecting element comprises a mirror or a prism.
5. illuminator as claimed in claim 4, wherein, described mirror comprises a cold mirror or a dichronic mirror.
6. illuminator as claimed in claim 1 wherein, also comprises a light collecting element, and it is configured on the light path of described parallel illuminating bundle.
7. illuminator as claimed in claim 6, wherein, described light collecting element comprises lens, an optical integration pillar or above-mentioned combination.
8. illuminator that is suitable for providing parallel illuminating bundle, this illuminator comprises two light fixtures, each described light fixture comprises:
One wick, it is suitable for providing diverging light;
One shading element is for the described wick of contact portion and coat the coating of the described wick of this part;
One lampshade, it has one and goes out optical cross-section, and described wick is configured in this lampshade, and the described diverging light that this lampshade is suitable for making described wick to provide forms collimated light beam, and this collimated light beam goes out optical cross-section output from part is described; And
One reflecting element, it is configured between the described light fixture, and be positioned at a described light fixture wherein described go out optical cross-section before so that the described collimated light beam that each described light fixture provided is merged into described parallel illuminating bundle.
9. illuminator as claimed in claim 8, wherein, described reflecting element comprises a mirror or a prism.
10. illuminator as claimed in claim 9, wherein, described mirror comprises a cold mirror or a dichronic mirror.
11. illuminator as claimed in claim 8 wherein, also comprises a light collecting element, it is configured on the light path of described parallel illuminating bundle.
12. illuminator as claimed in claim 11, wherein, described light collecting element comprises lens, an optical integration pillar or above-mentioned combination.
13. illuminator as claimed in claim 8, wherein, the axis that described light fixture is configured to its wick is vertical mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100060703A CN100567797C (en) | 2006-01-24 | 2006-01-24 | Illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100060703A CN100567797C (en) | 2006-01-24 | 2006-01-24 | Illuminator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101008477A CN101008477A (en) | 2007-08-01 |
| CN100567797C true CN100567797C (en) | 2009-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100060703A Expired - Fee Related CN100567797C (en) | 2006-01-24 | 2006-01-24 | Illuminator |
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| Country | Link |
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| CN (1) | CN100567797C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013106145A (en) * | 2011-11-11 | 2013-05-30 | Fuji Xerox Co Ltd | Reading apparatus |
| KR101393460B1 (en) * | 2013-01-15 | 2014-05-12 | 위아코퍼레이션 주식회사 | Rubbing and photo-aligning device |
| CN110906189A (en) * | 2018-09-17 | 2020-03-24 | 光宝电子(广州)有限公司 | Lighting device |
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2006
- 2006-01-24 CN CNB2006100060703A patent/CN100567797C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101008477A (en) | 2007-08-01 |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: AIXIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGQIANG PHOTOELECTRIC CO LTD Effective date: 20120215 |
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Effective date of registration: 20120215 Address after: Delaware Patentee after: Suzhou Canyu Optics Co., Ltd. Address before: Hsinchu Science Park, Taiwan, China Patentee before: Zhongqiang Photoelectric Co., Ltd. |
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Granted publication date: 20091209 Termination date: 20130124 |